Ldd 3.0 is actually really much better than its predecessors just with the new parts alone. They have just about everything from NXT 2.0 stuff to all the parts and pieces from the educational set (Save for the wheels). Its a bit faster, and handles large creations so much better. But one of the new features isnt up to the best standard. The hinge align tool is great for some perfect connections, but otherwise jumbles and shakes your model before giving you the red light that the alignment doesnt work. (But we'll keep trying ). The building instructions feature was thoroughly simplified, but not a bother at all. LDD 3.0 needs a few more wheels, but otherwise its quite a free cad program!.

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